Model Comparison

Grok-3 vs DeepSeek-V3.1

Grok-3 significantly outperforms across most benchmarks. DeepSeek-V3.1 is 13.3x cheaper per token.

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Performance Benchmarks

Comparative analysis across standard metrics

4 benchmarks

Grok-3 outperforms in 4 benchmarks (AIME 2024, AIME 2025, GPQA, LiveCodeBench), while DeepSeek-V3.1 is better at 0 benchmarks.

Grok-3 significantly outperforms across most benchmarks.

Sat Apr 11 2026 • llm-stats.com

Arena Performance

Human preference votes

Pricing Analysis

Price comparison per million tokens

DeepSeek-V3.1 costs less

For input processing, Grok-3 ($3.00/1M tokens) is 11.1x more expensive than DeepSeek-V3.1 ($0.27/1M tokens).

For output processing, Grok-3 ($15.00/1M tokens) is 15.0x more expensive than DeepSeek-V3.1 ($1.00/1M tokens).

In conclusion, Grok-3 is more expensive than DeepSeek-V3.1.*

* Using a 3:1 ratio of input to output tokens

Lowest available price from all providers
Sat Apr 11 2026 • llm-stats.com
xAI
Grok-3
Input tokens$3.00
Output tokens$15.00
Best providerxAI
DeepSeek
DeepSeek-V3.1
Input tokens$0.27
Output tokens$1.00
Best providerDeepinfra
Notice missing or incorrect data?Start an Issue→

Context Window

Maximum input and output token capacity

DeepSeek-V3.1 accepts 163,840 input tokens compared to Grok-3's 128,000 tokens. DeepSeek-V3.1 can generate longer responses up to 163,840 tokens, while Grok-3 is limited to 8,000 tokens.

xAI
Grok-3
Input128,000 tokens
Output8,000 tokens
DeepSeek
DeepSeek-V3.1
Input163,840 tokens
Output163,840 tokens
Sat Apr 11 2026 • llm-stats.com

Input Capabilities

Supported data types and modalities

Grok-3 supports multimodal inputs, whereas DeepSeek-V3.1 does not.

Grok-3 can handle both text and other forms of data like images, making it suitable for multimodal applications.

Grok-3

Text
Images
Audio
Video

DeepSeek-V3.1

Text
Images
Audio
Video

License

Usage and distribution terms

Grok-3 is licensed under a proprietary license, while DeepSeek-V3.1 uses MIT.

License differences may affect how you can use these models in commercial or open-source projects.

Grok-3

Proprietary

Closed source

DeepSeek-V3.1

MIT

Open weights

Release Timeline

When each model was launched

Grok-3 was released on 2025-02-17, while DeepSeek-V3.1 was released on 2025-01-10.

Grok-3 is 1 month newer than DeepSeek-V3.1.

Grok-3

Feb 17, 2025

1.1 years ago

1mo newer
DeepSeek-V3.1

Jan 10, 2025

1.2 years ago

Knowledge Cutoff

When training data ends

Grok-3 has a documented knowledge cutoff of 2024-11-17, while DeepSeek-V3.1's cutoff date is not specified.

We can confirm Grok-3's training data extends to 2024-11-17, but cannot make a direct comparison without DeepSeek-V3.1's cutoff date.

Grok-3

Nov 2024

DeepSeek-V3.1

—

Provider Availability

Grok-3 is available from xAI. DeepSeek-V3.1 is available from DeepInfra, Novita.

Grok-3

xai logo
xAI
Input Price:Input: $3.00/1MOutput Price:Output: $15.00/1M

DeepSeek-V3.1

deepinfra logo
Deepinfra
Input Price:Input: $0.27/1MOutput Price:Output: $1.00/1M
novita logo
Novita
Input Price:Input: $0.27/1MOutput Price:Output: $1.00/1M
* Prices shown are per million tokens

Outputs Comparison

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Key Takeaways

xAI
Supports multimodal inputs
Higher AIME 2024 score (93.3% vs 66.3%)
Higher AIME 2025 score (93.3% vs 49.8%)
Higher GPQA score (84.6% vs 74.9%)
Higher LiveCodeBench score (79.4% vs 56.4%)
DeepSeek
Larger context window (163,840 tokens)
Less expensive input tokens
Less expensive output tokens
Has open weights
xAIGrok-3
DeepSeekDeepSeek-V3.1
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Detailed Comparison

AI Model Comparison Table
Feature
xAI
Grok-3
DeepSeek
DeepSeek-V3.1

FAQ

Common questions about Grok-3 vs DeepSeek-V3.1

Grok-3 significantly outperforms across most benchmarks. Grok-3 is made by xAI and DeepSeek-V3.1 is made by DeepSeek. The best choice depends on your use case — compare their benchmark scores, pricing, and capabilities above.
Grok-3 scores AIME 2024: 93.3%, AIME 2025: 93.3%, GPQA: 84.6%, LiveCodeBench: 79.4%, MMMU: 78.0%. DeepSeek-V3.1 scores SimpleQA: 93.4%, MMLU-Redux: 91.8%, MMLU-Pro: 83.7%, GPQA: 74.9%, CodeForces: 69.7%.
DeepSeek-V3.1 is 11.1x cheaper for input tokens. Grok-3 costs $3.00/M input and $15.00/M output via xai. DeepSeek-V3.1 costs $0.27/M input and $1.00/M output via deepinfra.
Grok-3 supports 128K tokens and DeepSeek-V3.1 supports 164K tokens. A larger context window lets you process longer documents, conversations, or codebases in a single request.
Key differences include context window (128K vs 164K), input pricing ($3.00 vs $0.27/M), multimodal support (yes vs no), licensing (Proprietary vs MIT). See the full comparison above for benchmark-by-benchmark results.
Grok-3 is developed by xAI and DeepSeek-V3.1 is developed by DeepSeek.